Frequencies for first 10,000 rows of SSA_STATE_CD variable in pos2011 dataset :

  SSA State |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      2,064       20.64       20.64
         02 |        277        2.77       23.41
         03 |      1,703       17.03       40.44
         04 |      2,045       20.45       60.89
         05 |      3,911       39.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019